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rank_bm25

rank_bm25 is an open-source collection of algorithms designed to query documents and return the most relevant ones, commonly used for creating search engines.

See its project page for available algorithms.

Installation and Setup​

First, you need to install rank_bm25 python package.

pip install rank_bm25

Retriever​

See a usage example.

from langchain_community.retrievers import BM25Retriever
API Reference:BM25Retriever

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